It kept its own bar, send loop and poll, which is why a thread there died on reload while the
other two were saved and why its controls had drifted from the same controls everywhere else.
Offers, a settable subject, runtime heights and a profile hook — everything the dock does that
the shared component could not, so it can stop being a second implementation.
The picker sat above the transcript and the buttons below it, so the same component read
differently on each surface; size is the only thing a placement should get to choose.
Gmer4Lfe